CSS Selectors: Grouping
The CSS Universal Selector
The universal selector (*) selects all HTML elements on the page.
Example
The CSS rule below will affect every HTML element on the page:
*
{
text-align: center;
color: blue;
}
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The CSS Grouping Selector
The grouping selector selects all the HTML elements with the same style
definitions.
Look at the following CSS code (the h1, h2, and p elements have the same style definitions):
h1
{
text-align: center;
color: red;
}
h2
{
text-align: center;
color: red;
}
p
{
text-align: center;
color: red;
}It will be better to group the selectors, to minimize the code.
To group selectors, separate each selector with a comma.
Example
In this example we have grouped the selectors from the code above:
h1, h2, p
{
text-align: center;
color: red;
}
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All CSS Simple Selectors
| Selector | Example | Example description |
|---|---|---|
| #id | #firstname | Selects the element with id="firstname" |
| .class | .intro | Selects all elements with class="intro" |
| * | * | Selects all elements |
| element | p | Selects all <p> elements |
| element,element,.. | div, p | Selects all <div> elements and all <p> elements |